A biography can contain almost anything about a person- Their entire life, or just one key event... Most biographies, regardless of their length and target audience, will provide basic facts like the time and place in which the person lived.
He wants to kidnap her and obviously she's not a ordinary woman, she can pull some stunts over him so he shoots at her waist to cripple her for the time being.
An inference is something that can be assumed, typically about a situation, character, or plot in literature